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All results from a given calculation for CH(CN)3 (tricyanomethane)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-315.322724
Energy at 298.15K 
HF Energy-315.322724
Nuclear repulsion energy213.635255
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3069 2936 15.02 82.55 0.18 0.31
2 A1 2405 2301 0.28 64.75 0.06 0.12
3 A1 877 839 8.74 7.58 0.17 0.30
4 A1 608 582 0.08 3.44 0.01 0.02
5 A1 195 187 14.56 2.88 0.71 0.83
6 A2 455 435 0.00 0.00 0.75 0.86
7 E 2398 2294 1.60 23.72 0.75 0.86
7 E 2398 2294 1.60 23.72 0.75 0.86
8 E 1332 1274 0.18 5.06 0.75 0.86
8 E 1332 1274 0.18 5.06 0.75 0.86
9 E 1047 1001 22.78 3.19 0.75 0.86
9 E 1047 1001 22.79 3.19 0.75 0.86
10 E 643 615 0.06 3.31 0.75 0.86
10 E 643 615 0.06 3.31 0.75 0.86
11 E 453 434 0.04 3.77 0.75 0.86
11 E 453 434 0.04 3.77 0.75 0.86
12 E 158 151 5.01 4.85 0.75 0.86
12 E 158 151 5.01 4.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9834.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9408.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/3-21G
ABC
0.09639 0.09639 0.05107

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.536
H2 0.000 0.000 1.636
C3 0.000 1.390 0.070
C4 1.203 -0.695 0.070
C5 -1.203 -0.695 0.070
N6 0.000 2.491 -0.291
N7 2.157 -1.245 -0.291
N8 -2.157 -1.245 -0.291

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10031.46561.46561.46562.62432.62432.6243
H21.10032.09402.09402.09403.14903.14903.1490
C31.46562.09402.40672.40671.15863.42423.4242
C41.46562.09402.40672.40673.42421.15863.4242
C51.46562.09402.40672.40673.42423.42421.1586
N62.62433.14901.15863.42423.42424.31404.3140
N72.62433.14903.42421.15863.42424.31404.3140
N82.62433.14903.42423.42421.15864.31404.3140

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.568 C1 C4 N7 179.568
C1 C5 N8 179.568 H2 C1 C3 108.548
H2 C1 C4 108.548 H2 C1 C5 108.548
C3 C1 C4 110.379 C3 C1 C5 110.379
C4 C1 C5 110.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.538      
2 H 0.384      
3 C 0.469      
4 C 0.469      
5 C 0.469      
6 N -0.418      
7 N -0.418      
8 N -0.418      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.786 2.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.454 0.000 0.000
y 0.000 -48.454 0.000
z 0.000 0.000 -35.336
Traceless
 xyz
x -6.559 0.000 0.000
y 0.000 -6.559 0.000
z 0.000 0.000 13.118
Polar
3z2-r226.236
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.929 0.000 0.000
y 0.000 6.929 0.000
z 0.000 0.000 4.021


<r2> (average value of r2) Å2
<r2> 198.824
(<r2>)1/2 14.100